body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #000;
    color: #fff;
    overflow: hidden;
}

.hidden {
    display: none !important;
}

#video1, #video2 {
    position: fixed;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translateX(-50%) translateY(-50%);
    z-index: 1;
    object-fit: cover;
}

#video2 {
    z-index: 2; /* Reward video on top */
}

#camera-feed, #detection-canvas {
    position: fixed;
    bottom: 20px;
    left: 20px;
    width: 240px;
    height: 180px;
    border: 2px solid #00ffc3;
    border-radius: 8px;
    z-index: 100;
    transform: scaleX(-1); /* Mirror view */
    background: rgba(0,0,0,0.5);
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.3s, visibility 0.3s;
}

body.settings-open #camera-feed,
body.settings-open #detection-canvas {
    visibility: visible;
    opacity: 1;
}

#detection-canvas {
    z-index: 101; /* Canvas on top of camera feed */
}

#loading-message {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #000;
    font-size: 1.5em;
    z-index: 200;
}

#settings-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.2);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.5);
    font-size: 24px;
    cursor: pointer;
    z-index: 150;
    transition: background-color 0.3s, transform 0.3s;
    backdrop-filter: blur(5px);
}

#settings-btn:hover {
    background-color: rgba(255, 255, 255, 0.4);
    transform: rotate(45deg);
}

#settings-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90vw;
    max-width: 500px;
    background-color: rgba(30, 30, 30, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    z-index: 160;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

#settings-panel h2 {
    margin-top: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 15px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #ccc;
}

input[type="file"],
select {
    width: 100%;
    padding: 10px;
    border-radius: 5px;
    border: 1px solid #555;
    background-color: #333;
    color: #fff;
    box-sizing: border-box;
}

input[type="file"] {
    display: none;
}

.file-input-wrapper {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 10px;
    border-radius: 5px;
    border: 1px solid #555;
    background-color: #333;
    color: #fff;
    box-sizing: border-box;
    cursor: pointer;
}

.file-input-wrapper:hover {
    background-color: #444;
}

.file-info {
    flex-grow: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: #aaa;
    font-style: italic;
}

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    background: #444;
    outline: none;
    border-radius: 5px;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: #00ffc3;
  cursor: pointer;
  border-radius: 50%;
}

input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: #00ffc3;
  cursor: pointer;
  border-radius: 50%;
}

.checkbox-container {
    display: flex;
    align-items: center;
}

.checkbox-container input[type="checkbox"] {
    margin-right: 10px;
    width: auto;
}

#settings-form button {
    padding: 12px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    text-transform: uppercase;
    transition: background-color 0.2s;
}

#settings-form button#save-settings-btn {
    background-color: #00ffc3;
    color: #1a1a1a;
    margin-right: 10px;
}
#settings-form button#save-settings-btn:hover {
    background-color: #fff;
}

#settings-form button#close-settings-btn {
    background-color: #555;
    color: #fff;
}
#settings-form button#close-settings-btn:hover {
    background-color: #666;
}